INT 21 - LANtastic - GET INACTIVE SERVER ENTRY
AX = 5F84h
BX = server index not currently logged into
ES:DI -> 16-byte buffer for server name which is available for logging
in to ("\\" prefix omitted)
Return: CF clear if successful
DL = adapter number to non-logged in server is on
CF set on error
AX = error code
SeeAlso: AX=5F81h